Buyers Products Side-Wind Jack with Swivel Mount Model 0091220 UB-48-20 it attaches to shelf units

it attaches to shelf units or retainer lips for 13in deep adjustable shelves

and the 2-5/16" ball accepts loads up to 10

ideal for flatbeds

It allows for easy swiveling of the jack post to be folded up and out of the way when not in use

Weather Guard All-Purpose Van Rack Aluminum Full-Size 2 Cross Members 70In Model 209-3-03

Buyers Products Side-Wind Jack with Swivel Mount Model 0091220 UB-48-20 it attaches to shelf unitsBuyers Products Side Wind Jack with Swivel Mount Model 0091220 The Side Wind Jack with Swivel Mount from Buyers Products is an easy to use jack for many commercial and RV trailers. The weld on swivel mount lets you quickly swing the jack up for traveling and back down for use, and also allows you to remove the jack. The crank is on the side for easy operation using an ergonomic handle. The black powder coated finish and zinc plated base and crank help